Sharp MX-B468P User Manual page 112

Troubleshoot a problem
Action
Step 2
a
Check if the printer is using a genuine and supported toner
cartridge.
Note: If the cartridge is not supported, then install a
supported one.
b
Print the document.
Does gray background appear on prints?
Step 3
a
Depending on your operating system, specify the paper type
from the Printing Preferences or Print dialog.
Notes:
•
Make sure that the setting matches the paper loaded.
•
You can also change the setting from the printer control
panel. From the home screen, touch Settings > Paper >
Tray Configuration > Paper Size/Type.
b
Print the document.
Does gray background appear on prints?
Step 4
a
Remove, and then insert the imaging unit.
Warning—Potential Damage: Do not expose the imaging unit
to direct light. Extended exposure to light may cause print
quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum. Doing so may affect the quality of
future print jobs.
b
Print the document.
Does gray background appear on prints?
Step 5
a
Update the printer firmware. For more information, see
"Updating firmware" on page
b
Print the document.
Does gray background appear on prints?
Step 6
a
Replace the imaging unit.
b
Print the document.
Does gray background appear on prints?
24.
Yes No
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Go to step 6. The problem is
solved.
Contact your dealer. The problem is
solved.
112